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<title>The Hierarchy Window [Enterprise Architect User Guide]</title>

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                  <p class="p_Heading1"><span class="f_Heading1">The Hierarchy Window</span></p>



  
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                <p class="p_BodyText"><span class="f_BodyText">The </span><span class="f_UIControl">Hierarchy</span><span class="f_BodyText"> window shows a mini picture of the composition of the current element with respect to other elements.</span></p>
<p class="p_BodyText"><span class="f_BodyText">This information is derived from relationships with child or related Classes. Relationships shown in the hierarchy include Aggregation, Inheritance and Dependency; embedded elements are also shown. This helps extend the picture of where an element exists in the model space.</span></p>
<p class="p_BodyText"><span class="f_BodyText">Display of each type of relationship is optional, and can be toggled using the toolbar for the hierarchy window. Roll the cursor over each toolbar icon to display the types of relationship that the icon filters. For example, </span><span class="f_BodyText" style="font-weight: bold;">T</span><span class="f_BodyText"> filters the hierarchy to display <a href="mdastyletransforms.htm#TD">Transformation Dependencies</a>, and </span><span class="f_BodyText" style="font-weight: bold;">R</span><span class="f_BodyText"> filters for <a href="crossreferences.htm">Custom References</a>.</span></p>
<p class="p_TextIndentedL2"><img src="hierarchy.png" width="336" height="234" border="0" alt="Hierarchy"></p>
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<td valign="bottom" width="952" bgcolor="#efeff7" style="width:952px; background-color:#efeff7;"><p class="p_TiporNote" style="border-top: none; border-right: none; border-left: none;"><span class="f_TiporNote">Tip:</span></p>
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<td width="952" bgcolor="#f7f7ff" style="width:952px; background-color:#f7f7ff;"><p class="p_TiporNoteText"><span class="f_TiporNoteText">You can alter the maximum number and the initial number of levels that the hierarchy opens to by selecting the </span><span class="f_MenuKeyField">Tools | Options</span><span class="f_TiporNoteText"> menu option and, on the </span><span class="f_UIControl"><a href="generalsettings.htm">General</a></span><span class="f_TiporNoteText"> tab, updating the </span><span class="f_MenuKeyField">Max Hierarchy View Depth</span><span class="f_TiporNoteText"> and </span><span class="f_MenuKeyField">Open Hierarchy View to </span><span class="f_TiporNoteText">fields.</span></p>
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